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Code Issues 150 Wiki Activity

Shade the sky and the sun by the scenery around the camera instead of the track environment flags

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Hirek
2026-10-27 17:11:06 +01:00
parent 2961ce1445
commit c44b243698
9 changed files with 209 additions and 142 deletions
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16
rendering/common/skyocclusion.h
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@@ -117,11 +117,13 @@ class sky_occlusion
void draw_debug_ui();
protected:
// the textures of Side x Side texels: the height of the top (one 32 bit float per texel) and the occlusion (four 16 bit floats);
// false when they can't be made
// the textures of Side x Side texels: the heights (four 32 bit floats per texel: the top, the ceiling, the height below which the
// key light comes in under the ceiling, the height the deep share of the sky under the ceiling is worked out at) and the occlusion
// (four 16 bit floats: the share of the sky above the top, under the ceiling near it and deep, the height above the top over which
// the key light comes); false when they can't be made
virtual bool gpu_allocate(int const Side) = 0;
virtual void gpu_release() = 0;
// copies a square of Size x Size texels at X, Y of the textures: Heights one float per texel, Occlusion four halves per texel,
// copies a square of Size x Size texels at X, Y of the textures: Heights four floats per texel, Occlusion four halves per texel,
// rows along x, one after another along z
virtual void gpu_upload(int const X, int const Y, int const Size, float const *Heights, std::uint16_t const *Occlusion) = 0;
@@ -141,7 +143,7 @@ class sky_occlusion
std::uint32_t generation{0};
std::vector<triangle> triangles;
};
// what it gives back: the top and the occlusion of the texels of a tile
// what it gives back: the heights (four per texel) and the occlusion of the texels of a tile
struct tile_result
{
int slot{0};
@@ -193,11 +195,11 @@ class sky_occlusion
glm::ivec2 m_cameratile{0};
glm::dvec3 m_camera{0.0};
glm::vec3 m_keylight{0.f, 1.f, 0.f}; // the direction the thread was given last
// the copy of the maps the cpu samples (sample()): the top, and the occlusion as floats
std::vector<float> m_heights;
// the copy of the maps the cpu samples (sample()): the heights, and the occlusion as floats
std::vector<glm::vec4> m_heights;
std::vector<glm::vec4> m_occlusion;
// neutral tiles, uploaded when a tile comes into the square
std::vector<float> m_neutralheights;
std::vector<glm::vec4> m_neutralheights;
std::vector<std::uint16_t> m_neutralocclusion;
std::size_t m_checkslot{0}; // the slot whose signature is checked next
scene::basic_region const *m_region{nullptr};